baber/WOPTO huggingface dataset:
Patent GB-905909-A (GB)
Title: Improvements in or relating to folding machines for flexible sheets
Inventor: BUSS BENJAMIN ALVIN
IPC: D06F89/00
Filed: 1958-09-15
Abstract: 905,909. Folding fabrics. AMETEK Inc. Sept. 15, 1958, No. 21473/62. Divided out of 905,907. Class 42 (2). A folding machine comprises a first pair of foldproducing rollers 26B, 27A; air blast pipe means 26A extending along the nip of said roller pair; means feeding a sheet to be folded in a substantially vertical path between the rollers and the air blast pipe; a second pair of foldproducing rollers 29A, 30A; air blast pipe means 28A extending along the nip thereof; means for conveying a folded sheet from the first roller pair in a substantially vertical path between the second roller pair and its associated air blast pipe; air valve means for selectively and sequentially, when actuated, feeding air to the air blast pipes in a predetermined relation to the length of the sheet to be folded; sensing fingers in the path of the sheet and timer means actuated by the sensing fingers for actuating the valve means for feeding air to the pipe means corresponding to the position of the sensing fingers. In the embodiment shown, bed sheets from an ironer 10A are fed along the path 11B to folding machine 12A. The sheet is engaged between ribbons 20A and 16A which carry it past sensing fingers 33A and feed it substantially vertically between foldproducing rollers 26B, 27A and air blast pipe means 26A. At an appropriate time, as governed by the sensing finger means and associated selecting and timing mechanism 24A air is fed from pipe 26A so as to introduce portions of the sheet into gripping relationship with rollers 26A, 27A so as to form a fold in the sheet. The folded sheet is then conveyed by ribbons 34A and fed substantially vertically between second fold-producing rollers 29A, 30A and corresponding air blast pipe means 28A. If a second fold is to be made a blast of air from pipe means 28A is furnished at a predetermined time as governed by the measuring and timing means to push the sheet into the nip of rollers 29A, 30A. Preferably each air blast pipe means is formed in two portions, air being fed to the centre of each portion. The sensing or measuring fingers can be provided on either side of the machine arranged to activate individual timing and air blast activating mechanisms for narrow work or, for wide work, the control may be such that either measuring finger can operate both folding mechanisms simultaneously.
Patent GB-1526884-A (GB)
Title: Disc brakes
IPC: F16D55/224
Filed: 1976-05-25
Abstract: 1526884 Sliding caliper disc brakes AUTOMOTIVE PRODUCTS Ltd 3 May 1977 [25 May 1976] 21530/76 Heading F2E The caliper is guided by two arms 21 of the fixed support and a tongue 23 located between the arms and extending away from the disc. A pin 39 connected to projections 37 on the caliper extends beneath tongue 23 so that the latter restrains caliper movement both circumferentially and radially. Alternatively a headed bolt secured to the caliper can move in a slot in tongue 23.
Patent GB-154349-A (GB)
Title: Improvements in pilger or step by step rolls
IPC: B21B21/02
Filed: 1919-09-02
Abstract: 154,349. Warburton, H., Brown, T. W., and Fairholme, F. C. Sept. 2, 1919. Rolling. - Pilger rolls are formed hollow, the cavity being so proportioned in cross-sectional area according to the outside diameter of the roll, that cooling in air takes place uniformly. In casting the roll, a core with a bulbous head and a lateral branch is employed to produce the cavity a and hole b<3> leading to the roll surface at the gap. The hole facilitates cooling and serves for the removal of the core. If desired the other neck may be bored out at b<4>. The hole b<3> may be closed by a cover and pipes for air or water cooling fitted to the necks.
Patent GB-267805-A (GB)
Title: Improvements in railway-signalling devices
IPC: B61L3/18
Filed: 1926-09-01
Abstract: 267,805. Matuscheck, F. Sept. 1, 1926. Electrical systems, automatic.- In a system of the kind employing staggered overlapping contact-rail sections co-operating with traincarried sliding contacts to close signalling &c. circuits on a train, three or more rows a of such rails are provided, the joints being staggered so that the rails overlap in equal proportions as shown. The system operates in known way to brake two trains on the same track should they approach one another within a predetermined distance. By arranging that a local battery, not shown, shall be connected to one of the sections when a signal g is at danger, a train may be automatically braked on passing said danger signal. If the track be damaged the rails a may be utilized to communicate to the train the presence of a danger zone.
Patent GB-1199213-A (GB)
Title: Variably Damped Passive Tank Stabilizer
IPC: B63B39/03
Filed: 1968-05-07
Abstract: 1,199,213. Stabilizing ships. FLUME STABILIZATION SYSTEMS Inc. 7 May, 1968 [8 May, 1967], No. 21640/68. Heading B7M. A passive tank roll stabilization system for ships comprises an elongated tank 10, a body of free surface liquid 18 partially filling the tank to a level at which the tank imparts to the ship 16 an oscillating, timed stabilizing moment near the natural frequency of the ship, a closure assembly 20 located within the tank and spaced from the ends thereof to selectively isolate and permit liquid communication along the liquid path within the tank, and sensing and control means 72, 76 for sensing the roll frequency of the ship and completely closing the closure assembly to de-activate the tank when the ship rolls at a first frequency away from its natural frequency and at which the tank liquid would de-stabilize the ship so that the ship rolls at an amplitude primarily dependent upon the ship's static stability. The closure assembly may be in the form of sliding doors or rotating horizontal or vertical flaps. In the embodiment described the assembly consists of a door 24 supported for rotation about a vertical shaft 26 between upstanding plates 22.
Patent GB-597222-A (GB)
Title: Improvements in building construction
IPC: E04B2/02
Filed: 1944-11-04
Abstract: 597,222. Building-blocks; walls. HEMS, H. Nov. 4, 1944, No. 21649. [Classes 20(iv) and 87(i)] Building-blocks 13 having tongues 26 and grooves on their upper and lower faces are connected together laterally by dumbbell sectioned members 18 engaging undercut grooves 14 in their end faces. Some members 18 hold the end faces in abutting relation as at 23, while others allow separation under the action of bowed springs 25. The inner parts of the grooves 14 may be of dovetail or according to the Provisional Specification of rectangular section. Specification 590,657 is referred to.
Patent GB-745687-A (GB)
Title: Composition of matter comprising acrylonitrile polymers
IPC: C08L33/20
Filed: 1953-08-05
Abstract: A polymeric composition consists of more than 80 per cent of polyacrylonitrile or a copolymer containing more than 85 per cent of acrylonitrile, e.g. with vinyl acetate, and less than 20 per cent but more than 0.2 per cent of a polyamide, polyurethane, polyurea or polyester, which contains in its main carbon chain nitrogen atoms of which more than two valence bonds are attached to carbon atoms. Specified are (a) a polyurethane made by condensing hexamethylene diisocyanate with methyl diethanolamine, (b) a polyamide made by condensing gamma, gamma1 - diaminopropyl methylamine with a 1:1 mixture of nonane and decane dicarboxylic acids, (c) a polyester made by condensing adipic acid, ethylene glycol and methyl diethanolamine, and reacting this product with hexamethylene diisocyanate, and (d) a mixed polyester-polyurethane obtained by reacting the polyester described in (c) above with a polyurethane made by condensing methyl diethanolamine with hexamethylene diisocyanate.  Other polyesters which may be used are those obtained by reacting together polyesters, which may contain tertiary nitrogen groups, with diisocyanates containing tertiary nitrogen groups.  The compositions are made by dissolving the components in dimethyl formamide, and from the solutions so produced may be spun fibres which are dyeable with acid dyestuffs.  Specifications 700,608, 700,609 and 700,610 are referred to.
Patent GB-410647-A (GB)
Title: A clock movement
IPC: G04B15/10
Filed: 1933-08-02
Abstract: 410,647. Clocks. RIGGS, H. H., American Mission, Beirut, Lebanon, Syria. Aug. 2, 1933, No. 21694. [Class 139.] Escapements.-A pendulum rotates a timing wheel (41), this wheel each revolution moving a guide (30) to bring a pawl (29, 28), moving with the pendulum, into engagement with a scape wheel (13) rotating once an hour, the pawl releasing the scape wheel and the latter giving an impulse to the pawl and thence to the pendulum before the scape wheel is relocked. The invention is described as applied to a tower clock. The pendulum 26 drives a count wheel 41 one revolution per minute and each revolution this wheel allows scape wheel 13 to progress one tooth, during which this scape wheel gives an impulse to the pendulum through arm 28. The arbor 1 is rotated by weight 8 and gears 10, 12 and has an arm 15 which abuts a pin 16 on the scape wheel 13, the latter being loose on arbor 1. Arm 15 and pin 16 are also connected by a spring 17 and the rotation of shaft 1 is braked by a disc 44 on it rotating in a fixed reservoir 45 of tar. The scape wheel 13 is normally held by tooth 18 on an escapement lever 19, 21 pivoted at 23 and held up by a trigger 20 having a pin 31. Pivoted to the crutch 27, which is linked to the pendulum 26, is an arm 28 resting or a stop 33 on the crutch and with an offset shoulder 29. Normally as the pendulum oscillates, this shoulder 29 moves freely past a cam 30. The pendulum crutch 27 has a part 42 which drives a count wheel 41 a tooth at each swing so that wheel 41 rotates once per minute. The cam 30 is pivoted at 34 and is rigid with an arm 35, 46. Once each minute a pin 40 on count wheel 41 rocks arm 35 up so that cam 30 is depressed. The next time the pendulum swings to the left shoulder 29 meets and rides up the incline 30 until it meets trigger 20. The latter is moved to the left, lever 21 is lowered and tooth 18 releases the scape wheel 13 which advances ; whereupon a tooth 25 meets cam 22 on lever 21, 19 and rocks the latter clockwise so that tooth 18 relocks the next scape tooth. During this period, arm 28 is raised by cam 30 so that its end is in the path of the teeth of the scape wheel, which latter thus imparts through arm 28 and crutch 27, an impulse to the pendulum. When the scape wheel is released, arm 15 is held by the drag 44 and spring 17 drives the pin 16 and the scape wheel. Arm 15 slowly follows, so that while the scape wheel is in motion the force driving it and giving an impulse to the pendulum is that of spring 17 and not of weight 8. Hands.-The main arbor 1 which actuates the hands 4, 5 and the usual motion work 6 has at the other end a bevel wheel 7, Fig. 2, for turning the tower hands.
Patent GB-198269-A (GB)
Title: Improvements relating to paper board making and to machines therefor
IPC: D21F9/00
Filed: 1922-08-09
Abstract: 198,269. Haddan, R., (Holyoke Vacuum Sluice Co.). Aug. 9, 1922. Cylinder paper machines.-Free water and air bubbles are removed from the pulp layer or layers of a paper board or cylinder machine by a vacuum sluice applied at the top of the cylinder, above the felt, and in front of the couch roll 7. The sluice consists of a tubular body 12 provided with a slotted extension, the flanges 12<a>, 14<a> of which rest on the felt 4. Cylindrical extensions of the sluice are provided with inspection windows 30. The sluice is adjustably mounted in standards 8 and connected at 33 to a suction pump. The length of the slot is varied according to the width of the pulp layer by a valve plate 21, Fig. 8, secured on a sliding rod 19 mounted in an extension 18.
Patent GB-717925-A (GB)
Title: Improvements in or relating to rotary electric switches
Inventor: HAWORTH ROBERT
IPC: H01H19/64
Filed: 1951-09-17
Abstract: 717,925. Switch cases. SANTON, Ltd. Dec. 16. 1952 [Sept. 17, 1951]. No. 21736/51. Class 38(5) A rotary switch comprises end plates 4, 6 connected by a plurality of panels 7 having apertures 8 in which the fixed contact assemblies 9, 10 are mounted by screws 11. Each assembly is as disclosed in Specification 717,924 and comprises a housing 10 receiving a fixed contact 9. The rotary contacts 13 are as disposed in Specification 709,290 and are mounted on a spindle 14 operated by mechanism 5 carried by the end plate 4.
Patent GB-232909-A (GB)
Title: Improved manufacture of styrol and its homologues
IPC: C07C5/327
Filed: 1924-09-15
Abstract: 232,909. Naugatuck Chemical Co., (Assignees of Ostromislensky, I., and Shepard, M. G.). May 7, 1924, [Convention date]. Styrolene and its homolgues are prepared by heating hydrocarbons having at least eight carbon and ten hydrogen atoms in the molecule. Ethylbenzene and its homologues such as omethylethylbenzene, p-methylethylbenzene, 1 : 3 : 5-dimethylethylbenzene, or diethylbenzene. are heated to 450-700‹ C. when the reaction ArCH<2>. CH3 = ArCH : CH2 + H2 takes place. Xylene may be treated similarly. The hydrocarbon from a vessel 8 is passed down an inclined baffled tube 4, heated by gas burners 5 or by electrical or other means, together with a stream of inert gas such as carbon dioxide steam or nitrogen passing through a meter 2. The products of reaction pass through condensers 11, 12 and the liquid collecting in a vessel 13 is distilled with steam to separate styrolene from tarry matters. The styrolene may be polymerized by heating for some hours at 180-200‹ C., an accelerator such as benzoyl peroxide being added if desired. The tube 4 may be made of iron, quartz or copper. Homologues of benzene which have more than two carbon atoms in the side chain are heated to 500-700‹ C. In treating cymene. methane is split off and styrolene is formed. The process may be carried out in the same apparatus. The products may be polymerized to form vitreous substances as described in Specification 233,649. The Specification as open to inspection under Sect. 91 (3) (a) describes also that styrolene and its homologues may be prepared by heating cinnamic acid and its homolgues such as o- or pmethylcinnamic acids to 250-650‹ C., the range of 300-500‹ C. within which anhydride of the acid and other products are formed being excluded. The styrolene obtained is purified by shaking with alkali, distilling with steam and drying with calcium chloride. It may be finally treated with metallic sodium. Polymerization of styrolene and its homolgues may be prevented by addition of trinitrobenzene, quinone, monomtronaphthalene, trinitrotoluene, nitrobenzene, dinitrobenzene, or picramide or other substances which act like mild oxidizing agents such as selenium. The nitro compounds retard polymerization at temperatures below 170‹ C. but accelerate it above this temperature. This subjectmatter does not appear in the Specification as accepted.
Patent GB-1026318-A (GB)
Title: An electromagnetic radiation gate
IPC: G02F1/29
Filed: 1964-05-26
Abstract: 1,026,318. Light modulators. INTERNATIONAL BUSINESS MACHINES CORPORATION. May 26, 1964 [June 6, 1963], No. 21793/64. Heading H4F. [Also in Division G2] An electromagnetic radiation gate for controlling the intensity of light incidence at a particular point, such as P, Fig. 2, comprises a light source 5 and a polarizer 6 for producing a coherent beam of polarized light, and a plate 2 of electrooptic material having two plane parallel surfaces bearing similar transparent electrodes 1 and 8, Fig. 1 (not shown), which define Fresnel zones across which is applied an electrical voltage whereby the state of polarization of the light passing through the electrodes is changed relative to the state of polarization of light passing through gaps between the electrodes and the intensity of the light incidence at point P is increased. Preferably the light source 5 is a laser and the coherent beam of light is monochromatic and linearly polarized, the electrical voltage applied to the electrodes being of such a magnitude that the plane of polarization of the light passing through the electrodes is effectively rotated through 90 degrees. Electrodes 1 are connected together electrically by a small transparent conductor 3, Fig. 1 (not shown), and electrodes 8 are connected together by a similar small transparent conductor. When the voltage is not applied across the transparent electrodes the Fresnel focusing zone plate i.e. plate 2, does not act as a lens and no focusing occurs at point P. Focusing occurs when voltage is applied because the light transmitted through the transparent electrodes is diffracted independently of light transmitted through the regions between the electrodes and they do not interfere because they are both linearly polarized with different planes of polarization. Maximum intensity occurs at point P when the voltage applied to the electrodes which changes the state of polarization is sufficient to effectively rotate the plane of polarization through 90 degrees. In a further embodiment, Fig. 3 (not shown), an exclusive OR logical circuit is provided by locating a second plate, similar to plate 2 but having complementary electrodes, parallel to and in close proximity to the plate 2 so that when a voltage is applied across the second plate it effectively rotates the plane of polarization by the same amount as plate 2. With this arrangement when either the electrodes of plate 2 or the second plate are activated focusing occurs at point P, but when the electrodes of both plates are activated all the light emerging from the plates has the same plane of polarization and thus Fresnel focusing is destroyed. An analyser 27 is located after the two plates and is orientated so that upon activation of both plates the emerging light is extinguished by the analyzer, i.e. the analyser only accepts light polarized in the same plane as the beam incident on the plates. Plate 2 may be composed of KDP or ADP, the electrodes being evaporated stannous oxide.
Patent GB-482329-A (GB)
Title: Improvements in and relating to wind-power electrical machines
IPC: F03D9/00
Filed: 1937-08-09
Abstract: 482,329. Wind - motors. LEAN, C. Aug. 9, 1937, No. 21937. [Class 110 (iii)] [Also in Group XXXV] In a wind-driven electric generator oppositely rotating wind-wheels 3, 4 are mounted on a common axis carried on a tower 1 by means of a cantilever 2.
Patent GB-278300-A (GB)
Title: Improvements in or relating to piston constructions for tandem compound compressors
IPC: F04B39/00
Filed: 1927-08-22
Abstract: 278,300. Schaer, C. Nov. 8, 1926, [Convention date]. Pistons; attaching to rod.-In a tandem compound compressor the high-pressure piston b is formed with a flange b<1>, which fits with clearance a<2> in a sleeve a' projecting inwardly from the lowpressure piston. The flange b<1> is clamped between a flange a<2> in the sleeve a<1> and the end of the pistonrod e, which is bolted to the sleeve a<1>.
Patent GB-404062-A (GB)
Title: Improvements in or relating to the production of artificial filaments
IPC: D01D1/09
Filed: 1932-08-06
Abstract: <PICT:0404062/IV/1> <PICT:0404062/IV/2> <PICT:0404062/IV/3> <PICT:0404062/IV/4> In apparatus for making filaments from solutions of cellulose or cellulose esters there is provided, in combination with a spinning nozzle and pump and in the line of flow between the pump and the nozzle, a device consisting of a hollow cover, a flexible diaphragm beneath the cover forming a chamber between the cover and the diaphragm, and a non-fluid cushioning medium in the said chamber supporting the diaphragm.  The device may be positioned in such manner that the diaphragm cuts off communication in the delivery conduit between the pump and the nozzle when the pump is not being operated.  The cushioning medium may be a spring, preferably of the coiled conical type, or it may be a mass of rubber, preferably spongy rubber.  The chamber formed between the cover and the diaphragm may be in communication with the atmosphere through a vent hole, or it may be entirely closed.  In the latter case, the air enclosed within the chamber exerts a cushioning effect additional to that of the spring or mass of rubber.  As shown in Figs. 1 and 2, the casing 10 for a filtering device 12 has at one end a reduced neck 14 with a central bore therethrough, and an enlarged head 16 screwed into the other end. The head 16 has a central passage 18 communicating with a passage 20 in the filter 12.  Spinning solution from a pump passes through the passage 30 to the bottom of a screw threaded well in which is secured a flexible diaphragm 22, preferably of rubber, and a hollow cover 24, and then passes to the passage 18, filter 12, and the spinning jets.  Fig. 2 shows the position of the diaphragm when subjected to the pressure of the spinning solution which is opposed by a spring 32 of the coiled conical type.  As shown in Fig. 4 a truncated-conical rubber block 40 is employed as the cushioning medium, the upper surface having a depression which receives a corresponding projection of the cover 24 while the lower surface rests on the diaphragm.  As shown in Fig. 6, the whole of the space between the cover and the diaphragm is filled with sponge rubber 50.  The apparatus absorbs pulsations in the viscous stream due to the action of the pump and leads to the production of threads of more uniform denier.
Patent GB-614971-A (GB)
Title: Improvements in or relating to cigarette cases, powder compacts and like containers
IPC: A24F15/12
Filed: 1946-07-25
Abstract: 614,971. Cigarette cases &c. JARRETT, RAINSFORD, & LAUGHTON, Ltd.. LAUGHTON, G. A., and CURRY, F. J. July 25, 1946. No. 22128. [Class 18] [Also in Group XXV] A sheet metal cigarette, etc., case is held closed by a snap fastener having arcuate-faced protuberances which, when the case is closed, ride one upont the other to engage each behind the other. Flanges 4 are formed on the edges of the case and are separated in part from the edges to which they are attached by cuts, 6, the separated parts being rolled to form scrolls 5. The scrolls may be formed about pins or rivets 7 which finish their external faces and facilitate opening of the case. A hinge 3 may be either integral with the case or be an attached fitting. The flanges 4 may extend to the ends of the case.
Patent GB-952070-A (GB)
Title: Improvements in or relating to mounting means for stylus arms for use in pick-up heads for gramophone record playing apparatus
IPC: H04R1/16
Filed: 1960-06-24
Abstract: 952,070. Gramophone pick-ups. INDUSTRIES MUSICALES ET ELECTRIQUES PATHE MARCONI. June 24, 1960 [June 30, 1959], No. 22212/60. Heading H4J. A mounting means for a stylus arm 1 in a stereophonic gramophone pick-up 9, 10 comprises a detachable cylindrical support member 5 of elastically deformable material having a coaxial nipple 6 carrying the said stylus arm 1. The casing 9, 10 accommodates a pair of transducer units which comprise angularly displaced piezo-electric elements 13, 14 and a coupling member 15 mounted on the ends of said elements and provided with a V-shaped recess into which the stylus arm is accommodated.